Graph API V1.0: The logic for updating events doesn't seem to match my parameter expectations.

Question

Step 1: Created an event through the Graph API: /me/calendars/{calendar_id}/events. Request Body:

Creation Result: Created successfully, and successfully obtained the event ID and joinUrl in the onlineMeeting property.

Step 2: Modified the start and end time of the event and updated the event through the Graph API: /me/calendars/{calendar_id}/events/{event_id}. Request Body:

Update Result: The update API call was successful, but I found that the onlineMeeting property in the response body is now empty. Upon checking the meeting in Teams, I found that it was no longer an online meeting.

Step 3: Modified the start and end time of the event again and updated the event through the Graph API: /me/calendars/{calendar_id}/events/{event_id}. Request Body:

Update Result: The update API call was successful again. Interestingly, I was able to retrieve the event ID and joinUrl from the onlineMeeting property once more. This time, the meeting in Teams was also restored to a normal online meeting.

Does anyone know why such unexpected results occurred, especially in the second step? Could it be an issue with my parameters?

Any assistance would be greatly appreciated.

Answer

>>>>>>>>>>>>>>>>>>>step1 json 
{
		'subject': 'Onsite-Account Manager-13:00-13:30-Roy Tan',
		'body': {
		'contentType': 'HTML',
		'content': '
 
 
 
 
 
 
 
 
 online meeting

 
 
 '
		},
		'start': {
			'dateTime': '2024-04-04 13:00:00',
			'timeZone': 'Asia/Shanghai'
		},
		'end': {
			'dateTime': '2024-04-04 13:30:00',
			'timeZone': 'Asia/Shanghai'
		},
		'attendees': [{
			'emailAddress': {
				'address': 'abc@email.com'
			},
			'type': 'required'
		}],
		'isOnlineMeeting': True,
		'onlineMeetingProvider': 'teamsForBusiness'
	}	
>>>>>>>>>>>>>>>>>>>step2 json 
{
		'subject': 'Onsite-Account Manager-13:00-13:30-Roy Tan',
		'body': {
		'contentType': 'HTML',
		'content': '
 
 
 
 
 
 
 
 
 online meeting

 
 
 '
		},
		'start': {
			'dateTime': '2024-04-04 16:00:00',
			'timeZone': 'Asia/Shanghai'
		},
		'end': {
			'dateTime': '2024-04-04 16:30:00',
			'timeZone': 'Asia/Shanghai'
		},
		'attendees': [{
			'emailAddress': {
				'address': 'abc@email.com'
			},
			'type': 'required'
		}],
		'isOnlineMeeting': True,
		'onlineMeetingProvider': 'teamsForBusiness'
	}
>>>>>>>>>>>>>>>>>>>step3 json 
{
		'subject': 'Onsite-Account Manager-13:00-13:30-Roy Tan',
		'body': {
		'contentType': 'HTML',
		'content': '
 
 
 
 
 
 
 
 
 online meeting

 
 
 '
		},
		'start': {
			'dateTime': '2024-04-04 16:00:00',
			'timeZone': 'Asia/Shanghai'
		},
		'end': {
			'dateTime': '2024-04-04 16:30:00',
			'timeZone': 'Asia/Shanghai'
		},
		'attendees': [{
			'emailAddress': {
				'address': 'abc@email.com'
			},
			'type': 'required'
		}],
		'isOnlineMeeting': True,
		'onlineMeetingProvider': 'teamsForBusiness'
	}

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Graph API V1.0: The logic for updating events doesn't seem to match my parameter expectations.

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